But Mr Milburn’s report reveals only four per cent of doctors, six per cent of barristers and 12 per cent of solicitors are from working-class backgrounds, the report states.

It adds: “Despite some progress in some companies, Britain remains a deeply elitist nation where the chance of getting a well-paid job in a top profession is still strongly correlated with social background.

“Children from working-class backgrounds – even if they are high-attainers – are less likely to secure such jobs because they have less access to networks and knowledge to navigate the system than their more affluent peers.”